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Chemotherapy‐inducedperipheralneuropathy:Determiningimpactsoncancersurvivors
DrEvaBattagliniResearchCoordinator,INFOCUSStudy
Identifying Neurological and Functional Outcomes in Cancer SUrvivors Study
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Chemotherapy‐inducedperipheralneuropathy
• CIPN is a major side effect of cancer treatment
• Reduces treatment tolerability
• Leads to long term deficits
Cancer survivors worldwide
28
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CIPNandCancerSurvival
020406080100
5 year relative survival (%)
Data derived from: AIHW Cancer in Australia: an overview 2014; 5 year relative survival from selected cancers, Australia 2007-2011
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PatientReportedOutcomesandCIPN
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CIPNresearchgaps• No method of identifying at-risk patients
• Lacking quantitative and functionally relevant assessment tools
• No effective neuroprotection
• Impact is poorly understood in cancer survivors
• National survey of cancer survivors • Aim: to address the impact of CIPN on an Australia-wide level
• Anonymous online survey
• Inclusion : must have received neurotoxic chemotherapy
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RecruitmentStrategy
• National recruitment via:• Cancer support and survivorship organisations • Social media • Research databases• Hospitals
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Onlineplatform
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SurveycontentItem content Validated measureDemographicsCancer diagnosis and treatment
CIPN symptoms • FACT/GOG-NTx neurotoxicity subscale• DN4 neuropathic pain measure
Other cancer-related side effects
Physical activity levels • International Physical Activity Questionnaire
Non-cancer health conditions • Self-Administered Comorbidity Questionnaire
Quality of Life • Short-Form 36 (SF-36)
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Results:Demographics• 431 respondents• Mean age: 58 ± 9.9 years• Age range: 21 – 83 years• 85.4% female
Cancer type PercentageBreast cancer 67.8%Myeloma 10.7%Colorectal cancer 7.4%Ovarian cancer 4.6%
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Results:DemographicsChemotherapy type PercentageDocetaxel 37.1%Paclitaxel 34.1%Carboplatin 10.2%Thalidomide 8.8%Oxaliplatin 7.9%Bortezomib 7.7%Don’t know name of chemotherapy 12.1%
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NeuropathicSymptoms• 80% report CIPN after completing chemotherapy• Average duration of CIPN: 3.35 ± 3.21 years• Range of duration of CIPN: <1 year – 22 years
• 74% report currently experiencing CIPN• 13% have received any treatment for CIPN• 25% of those with CIPN report no improvement in
symptoms since finishing chemotherapy
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NeuropathicSymptoms
Numbness and tingling in hands (%) Numbness and tingling in feet (%)
0
10
20
30
40
0
10
20
30
40
60% experience this symptom to some degree
69% experience this symptom to some degree
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NeuropathicSymptoms:FunctionalDifficulties
0%
10%
20%
30%
40%
50%
60%
Difficulty buttoningbuttons
Difficulty feeling smallobjects
Difficulty walking
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Impactofchemotherapysideeffects
Side effect % rating: biggest impactFatigue 42.9%CIPN 21.8%Pain 13.0%Insomnia 9.7%Changes in sexual function 9.7%Anxiety 9.1%
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ImpactofCIPN• Respondents with CIPN had lower QoL (SF-36 total score; p <
0.001)• Physical Functioning (p < 0.001)• Bodily Pain (p < 0.001)• General Health (p < 0.001)• Vitality (p = 0.001)
• 57% of participants were ‘limited a lot’ in undertaking vigorous physical activity• Those with CIPN had scores indicating greater limitations (p < 0.01)
• CIPN has an impact on QoL, across domains associated with poorer physical health and energy levels
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Conclusions• CIPN has a significant impact on cancer survivors
• Experienced by a significant percentage of those who receive neurotoxic chemotherapy
• Breast cancer survivors are a major group who experience CIPN• Symptoms often last for years• A proportion of respondents see no improvement in symptoms with
time• Affects QoL across a range of domains• Lasting impact supports need for further research into assessment,
prevention and treatment• Survey runs until mid 2018• Survey link: http://www.infocusstudy.org.au/survey/• Facebook: www.facebook.com/infocus.study
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Acknowledgements
• Dr Susanna Park• Prof David Goldstein• IN FOCUS investigators • Survey respondents• Support from:
• Cancer Institute New South Wales • National Health & Medical Research Council
• Survey link: http://www.infocusstudy.org.au/survey/• Facebook: www.facebook.com/infocus.study